ISO/TS 27265:2026

Heat-processed milk and dried milk products — Enumeration of thermoresistant spores of thermophilic bacteria

Publication date:   May 14, 2026

General information

60.60   Standard published   May 14, 2026

ISO

ISO/TC 34/SC 5 Milk and milk products

Technical Specification

67.100.10   Milk and processed milk products

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Scope

This document specifies methods for the enumeration of thermoresistant spores of thermophilic bacteria in heat-processed milk and dried milk products by using a colony-count technique at 55 °C after heating the sample at 106 °C or 100 °C.
The applicability of this document is limited to heat-processed milk including pasteurized, ultra-high temperature (UHT) processed and sterilized milk; as well as dried whole milk, skim milk, buttermilk and whey products.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO/TS 27265:2009

NOW

PUBLISHED
ISO/TS 27265:2026
60.60 Standard published
May 14, 2026